!10280 set different ckpt file name for different rank id

From: @zyli2020
Reviewed-by: @limingqi107,@kisnwang
Signed-off-by: @limingqi107

model_zoo/official/recommend/wide_and_deep/train_and_eval_parameter_server_distribute.py

@@ -126,6 +126,7 @@ def train_and_eval(config):
                                  directory=config.ckpt_path + '/ckpt_' + str(get_rank()) + '/',
                                  config=ckptconfig)
     if cache_enable:
+        config.stra_ckpt = './stra_ckpt_' + str(get_rank()) + '/strategy.ckpt'
         context.set_auto_parallel_context(strategy_ckpt_save_file=config.stra_ckpt)
     callback_list = [TimeMonitor(ds_train.get_dataset_size()), eval_callback, callback]
     if get_rank() == 0: